DD862 and DD862a single plase electric meters induction meter,it is used in calculating 50Hz single-phase AC active electrical electric meter,it is used in calculating disc,bearing,amping magnet steel,counter and regu-lator epuipment etc.The meter has hith precision,hith over-long lifetime and so on features. The quality technical indes of the products is in accordance with the GB/15283-1994 national standard and IEC521-94 intermational standard. |